Abstract: A photovoltaic module frame having hollow sections into which male ends of a corner key are received such that two frame sections can be connected together in orthogonal directions. The male ends of the corner key may have teeth thereon. Once so engaged, a tool head may be applied to the corner formed by the adjacent frame sections. The tool head may create indentations in the profiles that engage the teeth of the corner keys within the frame sections, thereby forming a corner of a module frame.

Abstract: The invention comprises components and a method for producing components that, without limitation, frame a photovoltaic (“PV”) module such that the frame (i) provides improved stability for the groove incorporated therein, (ii) enables a higher percentage of in-tolerance final PV module product, and (iii) enables acceptance of a wider tolerance range in raw frame extrusion than the prior art. An embodiment may include a profile with a first hollow and a second hollow, collinear to one another and separated by a diagonal component. A corner key with teeth and male portions may engage the first hollow of adjacent profiles that meet orthogonally. Once so engaged, a tool head may be applied to the corner formed by the adjacent profiles. The application of the tool head may create indentations in the profiles that engage the teeth of the corner keys within the profiles, forming a corner of a PV module frame.